Working & Terminology MCQs : This section focuses on the "Working & Terminology". These Multiple Choice Questions (MCQs) should be practiced to improve the Working & Terminology skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Cross-head of a reciprocating steam engine is usually made of wrought iron, cast steel or forged steel.
A. TRUE
B. FALSE
Question 2
Flywheel is used in a reciprocating steam engine to maintain constant angular motion.
A. TRUE
B. FALSE
Question 3
In a reciprocating steam engine, the connecting rod is connected to the crank by means of a pin called _____
A. Crank pin
B. Gudgeon pin
C. Wrist pin
D. U-pin
Question 4
In a reciprocating steam engine, what is the function of an eccentric?
A. It converts the rotary motion of the D-slide valve into the reciprocating motion of the crankshaft
B. It converts the reciprocating motion of the D-slide valve into the rotary motion of the crankshaft
C. It converts the reciprocating motion of the crankshaft into the rotary motion of the D-slide valve
D. It converts the rotary motion of the crankshaft into the reciprocating motion of the D-slide valve
Question 5
One of the ends of the connecting rod is connected to the cross-head by means of a pin known as crank pin.
A. TRUE
B. FALSE
Question 6
Steam is admitted into the engine cylinder from a reservoir of steam called as _____
A. Stuffing box
B. Steam chest
C. Eccentric
D. Cross-head
Question 7
Stuffing box is made of _____
A. Chromium
B. Aluminum
C. Cast iron
D. Cast steel
Question 8
The connecting rod of a reciprocating steam engine is made by casting.
A. TRUE
B. FALSE
Question 9
The cylindrical grooved pulley of the eccentric, which is fixed on the crankshaft is called _____
A. Strap
B. Sheaf
C. Sheave
D. Eccentric pulley
Question 10
The end of the piston rod is joined to the connecting rod by _____
A. Cross-head
B. D-slide valve
C. Stuffing box
D. Steam chest
Question 11
The engine cylinder of a reciprocating steam engine is made of _____
A. Cast-iron
B. Chromium
C. Aluminum
D. Speed steel
Question 12
The engine cylinder of a reciprocating steam engine is produced using casting operation. The casting of the cylinder consists of two chamber, namely _____
A. Steam chamber and condensing chamber
B. Cylinder chamber and valve chamber
C. Top chamber and bottom chamber
D. back chamber and front chamber
Question 13
The name of the non-conducting material covering the engine cylinder, of a reciprocating steam engine, to reduce condensation of the steam is called _____
A. graphite
B. ceramide
C. leading
D. lagging
Question 14
The steam pressure that acts on the exhaust side of the piston is known as _____
A. Cylinder Pressure
B. Base Pressure
C. Piston Pressure
D. Back Pressure
Question 15
What is the function of a connecting rod in a reciprocating steam engine?
A. It converts the circular motion of the crankshaft into the reciprocating motion of the piston rod
B. It converts the reciprocating motion of the crankshaft into reciprocating motion of the piston rod
C. It converts the reciprocating motion of the piston rod and cross-head into circular motion of the crankshaft
D. It converts the circular motion of the piston rod and cross-head into circular motion of the crankshaft
Question 16
What is the function of a crank shaft?
A. It converts the reciprocating motion of the piston into rotary motion of the crankshaft
B. It converts the rotary motion of the crankshaft into reciprocating motion of the piston
C. It converts the rotary motion of the piton into reciprocating motion of the crankshaft
D. It converts the reciprocating motion of the crank shaft into rotary motion of the piston
Question 17
What is the function of a piston in a reciprocating steam engine?
A. It converts the pressure energy of the steam to its reciprocating movement
B. It converts its reciprocating energy to pressure energy of the steam
C. It acts a reservoir to store steam
D. It reheats the steam before entering into the steam chest
Question 18
Which of the following component of a reciprocating steam engine keeps the speed of the crankshaft constant over a period, when there is variation of load on the engine?
A. Flywheel
B. Governor
C. Eccentric
D. Piston
Question 19
Which of the following statement about steam ports (of reciprocating steam engines) is FALSE?
A. They connect the engine cylinder with the steam chest
B. The steam ports should have large cross-section
C. Steam reaches the engine cylinder after passing through the steam ports
D. The purpose of steam ports is to throttle the steam as it passes through
Question 20
Which of the following statement about stuffing box (in a reciprocating steam engine) is TRUE?
A. Stuffing box is the casing which engine assembly is placed
B. Stuffing box guides the crank shaft
C. Stuffing box provides a steam-tight hole for the piston rod to pass through, to prevent steam leakage
D. Stuffing box serves no purpose during engine operation
Question 21
Which of the following statements about bearings (used to support crankshaft) is FALSE?
A. Split-type bearings are used
B. Bearings need lubrication
C. The portion of the crankshaft in the bearing is called journal
D. Bearings are used to stop the rotation of the crankshaft
Question 22
Which of the following statements about connecting rod is FALSE?
A. It converts the reciprocating motion of the piston rod into circular motion of the crankshaft
B. The length of the connecting rod is half the length of the piston stroke
C. It is connected to the cross-head by means of a gudgeon pin or a wrist pin
D. It is connected to the crank by means of a crank pin
Question 23
Which of the following statements about cross-head of a reciprocating steam engine is FALSE?
A. It connects the piston rod with the connecting rod
B. Piston rod in some engines is joined to the cross-head by screwing
C. In some engines cotter joint is used to join piston rod with the cross-heads
D. Knuckle-joint is used to join cross-head and piston
Question 24
Which of the following statements about the piston rings is FALSE?
A. Piston rings prevent leakage of steam
B. Piston rings reduce the friction between the piston and wall
C. Piston rings are generally made of cast iron
D. Piston rings are fixed to the engine cylinder
Question 25
Which of the following statements regarding the radius of a crank (of a reciprocating steam engine) is true?
A. Thrice the radius of the crank is equal to the stroke of the piston
B. One-third the radius of the crank is equal to the stroke of the piston
C. Twice the radius of the crank is equal to the stroke of the piston
D. half the radius of the crank is equal to the stroke of the piston